You like to remove a mailbox server from DAG (Database Availability Group). However, when performing the removal task, you get the error: Mailbox server cannot be removed from the Database Availability Group because mailbox database has multiple copies. Use Remove-MailboxDatabaseCopy…
The time has come, the Exchange Server DAG (Database Availability Group) member failed, and it's not starting anymore. Of course, this is not great news because one Exchange Server failed. However, as long as you have a DAG configured, the…
Frustration about the autodiscover URL when you migrate to Office 365/Microsoft 365. Where do you need to point your autodiscover URL to in an Exchange hybrid configuration? Do you need to point the autodiscover record to the Exchange on-premises or…
How to renew a certificate in Exchange hybrid? You have a new third-party certificate installed on the Exchange Server. Now that you finished that task, you like to remove the old certificate. But, you get a message that these certificates…
You have enabled remember Multi-Factor Authentication on trusted device in Office 365 Multi-Factor Authentication. When you look at the setting, you see that Microsoft recommends using Conditional Access sign-in frequency. Let's look at how to move from remember Multi-Factor Authentication…
The following tables are a comprehensive collection of the Microsoft Exchange Server schema versions. The tables show the Exchange objects in Active Directory that get updated each time you install a new version of Exchange. Compare the object versions you…
We have to export an Office 365 mailbox to PST file. An excellent way to accomplish this task is to use the Microsoft 365 compliance center and export the Office 365 mailbox to PST. Microsoft provides the compliance center, and…
How to bulk add users to multiple AD groups from CSV file with PowerShell? You can select multiple users in AD and add them to the multiple groups, but what if you have users all over the place in different…
Since Exchange Server 2016 CU21 and Exchange Server 2019 CU10, users complain that there are Outlook problems. The Outlook application freezes and nothing helps until the Internet Information Services, or the Exchange Server is completely restarted. However, when the users…
Do you like to know how to get Office 365 activity alerts when a user signs in? For example, you did assign admin rights to a user, and you like to know by email when the user signs in the…
